题目如图,直线ABABAB与⊙O\odot O⊙O相切于点AAA,ACACAC、CDCDCD是⊙O\odot O⊙O的两条弦,且CDCDCD∥AB,AB,AB,若⊙O\odot O⊙O的半径为555,CD=8CD=8CD=8,则弦ACACAC的长为( )A.454\sqrt{5}45B.434\sqrt{3}43C.424\sqrt{2}42D.4104\sqrt{10}410知识点:切线的性质章节:图形的性质 / 圆